package com.blb.controller;

import java.io.IOException;import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.ibatis.session.SqlSession;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.blb.entity.Menu;
import com.blb.entity.User;
import com.blb.mapper.MenuExtMapper;
import com.blb.service.MenuService;
import com.blb.utils.DateUtils;
import com.blb.utils.NowUserUtils;
import com.blb.utils.UUIDUtils;

@Controller
@RequestMapping("menu")
public class MenuController {
	
	
	@Autowired
	private MenuExtMapper menuExtMapper;
	
	@Autowired
	private MenuService menuService;
	
	/**
	 *  根据用户id获取它所拥有的按钮
	 * @param model
	 * @param httpsession
	 * @param menuid
	 * @return
	 * @throws IOException
	 */
	@RequiresPermissions("menu:list")
	@RequestMapping("showList")
	public String showList(Model model,HttpSession httpsession,String menuid) throws IOException{
		//查询左侧菜单
		User user = (User) SecurityUtils.getSubject().getPrincipal();
		List<Menu> list = menuExtMapper.getButtenByuserid(user.getId(),menuid);
		
		model.addAttribute("bts", list);
		return "/menu/menu_list";
	}

	/**
	 * 显示菜单
	 * @return
	 * @throws IOException
	 */
	@ResponseBody
	@RequestMapping("page")
	public List<Menu> page() throws IOException{
		List<Menu> list = menuService.page();
		return list;
	}
	
	/**
	 * 获取父级菜单
	 * @return
	 * @throws IOException
	 */
	@ResponseBody
	@RequestMapping("getParentMenu")
	public List<Map<String,Object>> getParentMenu() throws IOException{
		List<Map<String,Object>> parentMenu = menuService.getParentMenu();
		return parentMenu;
	}
	
	/**
	 * 菜单添加
	 * @param menu
	 * @param httpsession
	 * @return
	 */
	@RequiresPermissions("menu:add")
	@ResponseBody
	@RequestMapping("add")
	public String add(Menu menu , HttpSession httpsession){
		menu.setId(UUIDUtils.getID());
		menu.setCreateTime(DateUtils.gettime());
		User user = NowUserUtils.getNowUser();
		menu.setCreateUser(user.getUsername());
		try {
			menuService.add(menu);
		} catch (IOException e) {
			e.printStackTrace();
			return e.getMessage();
		}
		return "";
	}
	
	/**
	 * 修改
	 * @param menu
	 * @param httpsession
	 * @return
	 */
	@RequiresPermissions("menu:update")
	@ResponseBody
	@RequestMapping("update")
	public String update(Menu menu,HttpSession httpsession){
		menu.setUpdateTime(DateUtils.gettime());
		
		User user = NowUserUtils.getNowUser();
		menu.setUpdateUser(user.getUsername());
		try {
			menuService.update(menu);
		} catch (IOException e) {
			e.printStackTrace();
			return e.getMessage();
		}
		return "";
	}
	
	/**
	 * 删除
	 * @param id
	 * @return
	 */
	@RequiresPermissions("menu:delete")
	@ResponseBody
	@RequestMapping("delete")
	public String delete(@RequestBody String id){
		String msg = "";
		try {
			msg = menuService.delete(id);
		} catch (IOException e) {
			e.printStackTrace();
			return e.getMessage();
		}
		return msg;
	}
	
	 
}
